At a Certain Temperature, K for the Reaction

question 11

Multiple Choice

At a certain temperature, K for the reaction
2NO₂
N₂O₄
is 7.5 L/mol. If 2.0 mol of NO₂ is placed in a 2.0-liter container and permitted to react at this temperature, calculate the concentration of N₂O₄ at equilibrium.

• A) 0.39 mol/L
• B) 0.82 mol/L
• C) 7.5 mol/L
• D) 0.65 mol/L
• E) none of these

---

Definitions:

Depositary Bank

The first bank to which an item is transferred for collection; the depositary bank may also be the payor bank.

Collection

The process of pursuing payments of debts owed by individuals or businesses, often conducted by creditors or agencies specialized in debt recovery.

Stop Payment Order

A request made to a bank to not process or cancel the payment of a check or transaction previously authorized.

Payor Bank

A bank by which an item is payable as drawn or accepted. It includes a drawee bank.